1998 Pontiac Grand Am Owner's Manual - Page 227

7. Remove any rust or dirt from the wheel bolts, mounting surfaces and spare wheel. / 1 CAUTl 1 6. Remove the wheel cover from the wheel, if your flat off tire has one. Then take the flat tire. -1: Rust or dirt the wheel, or on the parts to on which it is fastened, can make the wheel nuts become looseafter a time. The wheel could come off and causean accident. When you change a wheel, remove any rust or dirt from the places where the wheel attaches to the vehicle. In an emergency, you can use a cloth or a paper towel to do this; but be sure to a scraper orwire use brush later, if you need to, to get allthe rustor dirt off. 5-28